Example

3(r+2s)=2t-4
a⋅(b-2)=3b
3(r+2s)=2t-4
a⋅(b-2)=3b

Question

$$m=- \frac{ 60 }{ -20 }$$

Answer

m=3

Solution


Move the negative sign to the left.
\[m=-(-\frac{60}{20})\]
Simplify  \(\frac{60}{20}\)  to  \(3\).
\[m=-(-3)\]
Remove parentheses.
\[m=3\]
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